Datasheet — Emax Es08ma Ii

The EMAX ES08MA II is a high-performance, ultra-compact analog micro servo widely utilized in RC aviation, robotics, and small-scale automotive projects. Renowned for its durability, this servo features a full metal gear train housed in a 12g form factor, making it a reliable choice for high-stress applications like 450-class helicopter cyclic controls or 1/24 scale crawler steering. Core Technical Specifications

The EMAX ES08MA II datasheet provides detailed specifications and characteristics of the motor. Here's a breakdown of the key parameters: Emax Es08ma Ii Datasheet

10. Conclusion

The Emax ES08MA II is a robust, cost-effective analog micro servo that trades absolute precision for durability. Its metal gear train makes it superior to plastic-gear competitors in high-shock environments like RC planes without landing gear or combat robots. For applications requiring digital precision or higher voltage (7.4V), users should consider the Emax ES08MD II (digital version) or a coreless servo. However, within its 4.8–6.0V analog domain, the ES08MA II offers excellent value and reliability. The EMAX ES08MA II is a high-performance, ultra-compact

Comparison (brief)

ES08MA II vs plastic-geared micro servos: better durability and torque due to metal gears, slightly heavier and marginally more expensive.
ES08MA II vs larger mini servos: lower torque and speed; chosen for space-limited applications where weight and size are critical.

Limitations

Not waterproof – Do not expose to moisture.
Analog only – Not capable of high frame rates ( > 200Hz ) like digital servos.
No soft start – May twitch abruptly on power-up if signal is not stable.

The performance of the ES08MA II scales based on its input voltage, typically ranging from 4.8V to 6.0V. Specification Stall Torque 1.6 Kgf.cm (21.0 oz.in) 2.0 Kgf.cm (28.0 oz.in) Operating Speed 0.12 sec / 60° (no load) 0.10 sec / 60° (no load) Operating Current Hardware & Physical Specifications ES08MA II vs plastic-geared micro servos: better durability